CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
Mar. 31, 2022
Dec. 31, 2021
Current Assets:  
Cash and cash equivalents$ 3,028,362$ 5,961,760
Trade receivables, net of allowance of $26,000 and $26,000, respectively561,25449,250
Inventories, net637,620592,172
Prepaid and other current assets659,538247,736
Total current assets4,886,7746,850,918
Property, Plant and Equipment:22,483,38622,425,935
Accumulated depreciation(22,158,146)(22,146,273)
Property, Plant and Equipment, net325,240279,662
Other Assets:  
Operating lease right-of-use assets, net4,816,0174,984,688
Patents, net of accumulated amortization of $139,842 and $135,050 respectively82,11186,595
Equity method investment97,66521,205
Other non-current assets625,000625,000
Total Assets10,832,80712,848,068
Current Liabilities:  
Accounts payable600,600642,165
Related party payables45,00045,000
Accrued expenses1,395,350991,534
Accrued interest490,778475,671
Notes payable250,000250,000
Current portion of operating lease liability665,585646,742
Total current liabilities3,447,3133,051,112
Long-Term Liabilities:  
Non-current operating lease liabilities4,356,1684,532,490
Non-current convertible notes, net946,0538,076,847
Accrued warranty liability21,22521,225
Total liabilities8,770,75915,681,674
Stockholders’ Equity (Deficit):  
Series A preferred stock, $.0001 par value; 750,000 shares authorized; 48,100 and 48,100 shares issued and outstanding, respectively ($813,558 and $801,533 Liquidation Preference, respectively)55
Common stock, $0.0001 par value, 500,000,000 authorized; 30,586,804 and 4,786,804 shares issued and outstanding, respectively3,059479
Additional paid in capital434,146,118424,948,698
Accumulated deficit(432,080,037)(427,782,788)
Accumulated other comprehensive loss(7,097) 
Total stockholders’ equity (deficit)2,062,048(2,833,606)
Total Liabilities and Stockholders’ Equity (Deficit)$ 10,832,807$ 12,848,068